Accurate measurement: Highly accurate, this is a great tool for checking, monitoring or controlling any ambient noise level. Digital LCD display and maximum value: With a large backlit LCD digital display, you can easily read it at night and reduce damage to your eyes. Versatile: This sound level meter is ideal for neighborhood noise complaints, nursery and sound system offices, and industrial environments. Ergonomic & lightweight design Lightweight, compact and easy to carry, the compact design ensures the noise meter fits comfortably in your hand. Power-saving and long-lasting design: The noise meter has an automatic shut-off function to extend battery life.